Remove --enable-strict-site-isolation

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 38cc0ab5e34c1b2dffb05e731995f0810394a9b7..b485102a6558f3df11718037d79215520afef441 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1290,7 +1290,6 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kEnableSmoothScrolling,
     switches::kEnableStaleWhileRevalidate,
     switches::kEnableStatsTable,
-    switches::kEnableStrictSiteIsolation,
     switches::kEnableThreadedCompositing,
     switches::kEnableTouchDragDrop,
     switches::kEnableTouchEditing,
@@ -1939,16 +1938,14 @@ RenderProcessHost* RenderProcessHost::FromID(int render_process_id) {
 // static
 bool RenderProcessHost::ShouldTryToUseExistingProcessHost(
     BrowserContext* browser_context, const GURL& url) {
-  // Experimental:
-  // If --enable-strict-site-isolation or --site-per-process is enabled, do not
-  // try to reuse renderer processes when over the limit.  (We could allow pages
-  // from the same site to share, if we knew what the given process was
-  // dedicated to.  Allowing no sharing is simpler for now.)  This may cause
-  // resource exhaustion issues if too many sites are open at once.
+  // If --site-per-process is enabled, do not try to reuse renderer processes
+  // when over the limit.  (We could allow pages from the same site to share, if
+  // we knew what the given process was dedicated to.  Allowing no sharing is
+  // simpler for now.)  This may cause resource exhaustion issues if too many
+  // sites are open at once.
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(switches::kEnableStrictSiteIsolation) ||
-      command_line.HasSwitch(switches::kSitePerProcess))
+  if (command_line.HasSwitch(switches::kSitePerProcess))
     return false;
 
   if (run_renderer_in_process())